<template th:fragment="html" xmlns:th="http://www.thymeleaf.org">
    <!-- 顶部开始 -->
    <div class="container">
        <div class="logo">
            <a href="/index.html">DS_SaoDiSheng</a></div>
        <div class="left_open">
            <a><i title="展开左侧栏" class="iconfont">&#xe699;</i></a>
        </div>
    </div>
</template>